3961408 has 56 divisors (see below), whose sum is σ = 9107424. Its totient is φ = 1689600.

The previous prime is 3961393. The next prime is 3961411. The reversal of 3961408 is 8041693.

It is a self number, because there is not a number n which added to its sum of digits gives 3961408.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11803 + ... + 12133.

Almost surely, 2^3961408 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3961408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4553712).

3961408 is an abundant number, since it is smaller than the sum of its proper divisors (5146016).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3961408 is a wasteful number, since it uses less digits than its factorization.

3961408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 371 (or 361 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 3961408 is about 1990.3286160833. The cubic root of 3961408 is about 158.2279463672.

The spelling of 3961408 in words is "three million, nine hundred sixty-one thousand, four hundred eight".